Results 61 to 70 of about 1,338 (112)
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Tillites et tilloïdes du massif armoricain
Palaeogeography, Palaeoclimatology, Palaeoecology, 1985Abstract A glacial origin had been suggested for the Upper Brioverian pebble mudstones of the Armorican Massif. The lack of any true evidence of glacial abrasion on the pebbles, the turbiditic sedimentary environment and the great amount of resedimentation figures would rather plead for a deposition by debris-flow or mass-flow.
Dore, Francis, Dupret, L., Le Gall, J.
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Upper Proterozoic Basaltic Volcanism in the Northern Massif Armoricain, France
Geological Society, London, Special Publications, 1987Summary A 2 km thick sequence of subaqueous basaltic rocks—the Hillion-Erquy Volcanic Formation (HEVF)—forms the lower part of the late Proterozoic Brioverian supracrustal sequence around the Baie de St. Brieuc, N Brittany. Basic dykes cutting the adjacent Pre-Brioverian crystalline basement (the Pentevrian) are interpreted as feeders to the ...
G. J. Lees +3 more
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Le Mio-Pliocène du Massif armoricain. Données nouvelles
Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science, 1998Abstract The ‘red sands’ of the Armorican Massive were attributed to an upper Pliocene marine environment. A reappraisal of the stratigraphy and ESR datings shows that it covers fluviatile to estuarine retrogressive formations, invading paleovalleys, and covering Tortonian, Messinian, Zanclean and Lower Piacenzian high stands.
Brigitte Van Vliet-Lanoë +8 more
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L’orogenèse varisque dans le Massif armoricain : La déformation varisque du Massif armoricain
2016National ...
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Les Ptéridophytes du Massif Armoricain, passé et perspectives
Bulletin de la Société Botanique de France. Lettres Botaniques, 1986ResumeListe des especes et hybrides de Pteridophytes observes dans le Massif Armoricain. Pour chaque espece, un commentaire donne des indications ecologiques sommaires, l'evolution de la repartition depuis le siecle dernier ainsi que l'etat de nos connaissances sur la repartition actuelle.
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Le Massif armoricain avant l’orogenèse varisque : Place du Massif armoricain dans la chaîne varisque
2016National ...
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